Front

FRONT WHEEL HUB AND KNUCKLE





Removal and Installation

REMOVAL
1. Remove tire with power tool.
2. Remove under cover with power tool.
3. Remove brake caliper with power tool. Hang it in a place where it will not interfere with work.

CAUTION: Avoid depressing brake pedal while brake caliper is removed.

4. Remove disc rotor.
5. Remove wheel sensor from steering knuckle.

CAUTION: Do not pull on wheel sensor harness.

6. Remove brake hose bracket from steering knuckle.
7. Remove steering outer socket and cotter pin at steering knuckle, then loosen mounting nut.





8. Use a ball joint remover (special service tool) to remove steering outer socket from steering knuckle. Be careful not to damage ball joint boot.

CAUTION: To prevent damage to threads and to prevent ball joint remover (special service tool) from coming off, and temporarily tighten mounting nut.

9. After removing upper link, transverse link, compression rod and cotter pin at steering knuckle, loosen mounting nut.
10. Use a ball joint remover (suitable tool) to remove upper link, transverse link and compression rod from steering knuckle. Be careful not to damage ball joint boot.

CAUTION: To prevent damage to threads and to prevent ball joint remover (suitable tool) from coming off, and temporarily tighten mounting nut.

11. Remove steering knuckle and wheel hub and bearing assembly fixing bolt.
12. Remove wheel hub and bearing assembly from steering knuckle.

INSPECTION AFTER REMOVAL
^ About the inspection for upper link, compression rod, steering outer socket, refer to "UPPER LINK", "COMPRESSION ROD", "POWER STEERING GEAR AND LINKAGE".

Visual Inspection
^ Check steering knuckle and ball seat for deformation, cracks, and other damage. Replace steering knuckle and ball seat if cracks, deformation or other damage is found.
^ Check ball joint boot for deformation, damage, and also for grease leakage. Replace steering knuckle assembly if cracks, deformation or also for grease leakage is found.

Steering Knuckle Ball Joint Inspection
^ Manually move ball stud to confirm it moves smoothly with no binding.

Swing Torque Inspection

CAUTION: Before measurement, move ball joint at least ten times by hand to check for smooth movement.





^ Hook spring scale at cotter pin mounting hole. Confirm spring scale measurement value is within specifications when ball stud begins moving.
Standard value
Swing force: 0.147 -1.4 Nm (0.02 - 0.14 kg-m, 2 - 12 inch lbs.)
Measurement force: 2.23 - 21.2 N (0.22 - 2.16 kg, 0.50 - 4.77 lbs.)
If the value is outside the standard, replace steering knuckle.

Rotating Torque Inspection





^ Attach mounting nut to ball stud. Check that sliding torque is within specifications with a preload gauge (special service tool).
Standard value
Rotating torque: 0.147 - 1.4 Nm (0.02 - 0.14 kg-m, 2 - 12 inch lbs.)
^ If the value is outside the standard, replace steering knuckle.

Axial End Play Inspection
^ Move tip of ball joint in axial direction to check for looseness.
Standard value Axial end play: 0 mm (0 inch)
^ If the value is outside the standard, replace steering knuckle.

INSTALLATION
^ Refer to Exploded View for tightening torque. Tighten in the reverse order of removal.

CAUTION: Refer to component parts location and do not reuse non-reusable parts.





^ Wheel hub and bearing assembly and disc must be installed to fit the marked position each other.